- Ancistrodon conotortrix
- Copperhead Cop"per*head`, n. [From its color.]
1. (Zo["o]l.) A poisonous American serpent ({Ancistrodon
conotortrix}), closely allied to the rattlesnake, but
without rattles; -- called also {copper-belly}, and {red
viper}.
[1913 Webster]
2. A nickname applied to a person in the Northern States who sympathized with the South during the Civil War. [U.S.] [1913 Webster]
The Collaborative International Dictionary of English. 2000.